Laser-induced acoustic emissions in experimental dental composites
A laser thermoacoustic technique was innovated to evaluate laser-induced acoustic emissions (AEs) in experimental dental composites aged with 75% ethanol solution. Experimental composite systems of 75/25 BisGMA/TEGDMA resin filled with 0, 12.6, 30.0, and 56.5 vol% of 8-μm silanized and unsilanized B...
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Veröffentlicht in: | Biomaterials 2000-07, Vol.21 (13), p.1399-1408 |
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creator | Lee, Sheng-Yang Lin, Che-Tong Keh, En-Sheng Pan, Li-Chern Huang, Haw-Ming Shih, Yung-Hsun Cheng, Hsin-Chung |
description | A laser thermoacoustic technique was innovated to evaluate laser-induced acoustic emissions (AEs) in experimental dental composites aged with 75% ethanol solution. Experimental composite systems of 75/25 BisGMA/TEGDMA resin filled with 0, 12.6, 30.0, and 56.5
vol% of 8-μm silanized and unsilanized BaSiO
6 were analyzed. The sample size was 4.65
mm (diameter)×0.5
mm (thick). Aging effects of immersing in 75% ethanol for up to 14
h on AEs were then evaluated. A continuous-wave CO
2 laser was used to heat the samples. Acoustic emissions were collected as a function of filler fraction, laser power, silanization, and immersion time. Onset of burst-pattern acoustic signals characteristic of fracturing occurred at different laser powers for different tested groups. Acoustic emissions generally increased with laser power, in which lower laser powers produced low-amplitude (45–50 dB) signals; the amplitude distribution (50–85 dB) became more extensive as laser powers increased. After immersion, the lower laser powers could produce the same phenomenon. The higher the filler fraction, the fewer AEs generated. A large percentage AE reduction due to silanization was noted as a function of filler fraction. Unsilanized specimens showed more thermal damages than did silanized ones. |
doi_str_mv | 10.1016/S0142-9612(00)00043-0 |
format | Article |
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vol% of 8-μm silanized and unsilanized BaSiO
6 were analyzed. The sample size was 4.65
mm (diameter)×0.5
mm (thick). Aging effects of immersing in 75% ethanol for up to 14
h on AEs were then evaluated. A continuous-wave CO
2 laser was used to heat the samples. Acoustic emissions were collected as a function of filler fraction, laser power, silanization, and immersion time. Onset of burst-pattern acoustic signals characteristic of fracturing occurred at different laser powers for different tested groups. Acoustic emissions generally increased with laser power, in which lower laser powers produced low-amplitude (45–50 dB) signals; the amplitude distribution (50–85 dB) became more extensive as laser powers increased. After immersion, the lower laser powers could produce the same phenomenon. The higher the filler fraction, the fewer AEs generated. A large percentage AE reduction due to silanization was noted as a function of filler fraction. Unsilanized specimens showed more thermal damages than did silanized ones.</description><identifier>ISSN: 0142-9612</identifier><identifier>EISSN: 1878-5905</identifier><identifier>DOI: 10.1016/S0142-9612(00)00043-0</identifier><identifier>PMID: 10850935</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Acoustic emissions ; Acoustics ; Barium compounds ; Barium Compounds - chemistry ; Biological and medical sciences ; Carbon dioxide lasers ; Composite Resins - chemistry ; Continuous wave lasers ; Dental composites ; Equipment Design ; Ethanol - pharmacology ; Hot Temperature ; Immersion ; Laser ; Laser beam effects ; Lasers ; Materials Testing - instrumentation ; Materials Testing - methods ; Medical sciences ; Microspheres ; Plastics fillers ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Reinforced plastics ; Silanization ; Silicates - chemistry ; Technology. Biomaterials. Equipments. Material. Instrumentation</subject><ispartof>Biomaterials, 2000-07, Vol.21 (13), p.1399-1408</ispartof><rights>2000 Elsevier Science B.V.</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-7e81741cc4c344abd8d2ea9f346ba574c18f28f284b19d20b7df4a113e57ce813</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0142-9612(00)00043-0$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1361205$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10850935$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, Sheng-Yang</creatorcontrib><creatorcontrib>Lin, Che-Tong</creatorcontrib><creatorcontrib>Keh, En-Sheng</creatorcontrib><creatorcontrib>Pan, Li-Chern</creatorcontrib><creatorcontrib>Huang, Haw-Ming</creatorcontrib><creatorcontrib>Shih, Yung-Hsun</creatorcontrib><creatorcontrib>Cheng, Hsin-Chung</creatorcontrib><title>Laser-induced acoustic emissions in experimental dental composites</title><title>Biomaterials</title><addtitle>Biomaterials</addtitle><description>A laser thermoacoustic technique was innovated to evaluate laser-induced acoustic emissions (AEs) in experimental dental composites aged with 75% ethanol solution. Experimental composite systems of 75/25 BisGMA/TEGDMA resin filled with 0, 12.6, 30.0, and 56.5
vol% of 8-μm silanized and unsilanized BaSiO
6 were analyzed. The sample size was 4.65
mm (diameter)×0.5
mm (thick). Aging effects of immersing in 75% ethanol for up to 14
h on AEs were then evaluated. A continuous-wave CO
2 laser was used to heat the samples. Acoustic emissions were collected as a function of filler fraction, laser power, silanization, and immersion time. Onset of burst-pattern acoustic signals characteristic of fracturing occurred at different laser powers for different tested groups. Acoustic emissions generally increased with laser power, in which lower laser powers produced low-amplitude (45–50 dB) signals; the amplitude distribution (50–85 dB) became more extensive as laser powers increased. After immersion, the lower laser powers could produce the same phenomenon. The higher the filler fraction, the fewer AEs generated. A large percentage AE reduction due to silanization was noted as a function of filler fraction. Unsilanized specimens showed more thermal damages than did silanized ones.</description><subject>Acoustic emissions</subject><subject>Acoustics</subject><subject>Barium compounds</subject><subject>Barium Compounds - chemistry</subject><subject>Biological and medical sciences</subject><subject>Carbon dioxide lasers</subject><subject>Composite Resins - chemistry</subject><subject>Continuous wave lasers</subject><subject>Dental composites</subject><subject>Equipment Design</subject><subject>Ethanol - pharmacology</subject><subject>Hot Temperature</subject><subject>Immersion</subject><subject>Laser</subject><subject>Laser beam effects</subject><subject>Lasers</subject><subject>Materials Testing - instrumentation</subject><subject>Materials Testing - methods</subject><subject>Medical sciences</subject><subject>Microspheres</subject><subject>Plastics fillers</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Reinforced plastics</subject><subject>Silanization</subject><subject>Silicates - chemistry</subject><subject>Technology. Biomaterials. Equipments. Material. Instrumentation</subject><issn>0142-9612</issn><issn>1878-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1r3DAQxUVJaLZJ_oQGH0JoD25n9LGyTyFZ8lFY6KHJWcjSGFS89kbyhuS_r3a9tL0tCAbB78083mPsM8I3BJx__wUoeVnPkX8B-AoAUpTwgc2w0lWpalBHbPYXOWGfUvoN-Q-Sf2QnCJWCWqgZu13aRLEMvd848oV1wyaNwRW0CimFoU9F6At6W1MMK-pH2xV-Gm5YrYcURkpn7Li1XaLz_Txlz_d3T4vHcvnz4cfiZlk6qfhYaqpQS3ROOiGlbXzlOdm6FXLeWKWlw6rl2ycbrD2HRvtWWkRBSrusFafsatq7jsPLhtJoskdHXWd7yq6NRtS1AnEQ5FrNeYXVYTDnV4vdRjWBLg4pRWrNOudh47tBMNs6zK4Os83aAJhdHQay7mJ_YNOsyP-nmvLPwOUesMnZro22dyH940ReCFvsesIo5_saKJrkAvW5sRDJjcYP4YCTP-zRpdw</recordid><startdate>20000701</startdate><enddate>20000701</enddate><creator>Lee, Sheng-Yang</creator><creator>Lin, Che-Tong</creator><creator>Keh, En-Sheng</creator><creator>Pan, Li-Chern</creator><creator>Huang, Haw-Ming</creator><creator>Shih, Yung-Hsun</creator><creator>Cheng, Hsin-Chung</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>7X8</scope></search><sort><creationdate>20000701</creationdate><title>Laser-induced acoustic emissions in experimental dental composites</title><author>Lee, Sheng-Yang ; Lin, Che-Tong ; Keh, En-Sheng ; Pan, Li-Chern ; Huang, Haw-Ming ; Shih, Yung-Hsun ; Cheng, Hsin-Chung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c452t-7e81741cc4c344abd8d2ea9f346ba574c18f28f284b19d20b7df4a113e57ce813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Acoustic emissions</topic><topic>Acoustics</topic><topic>Barium compounds</topic><topic>Barium Compounds - chemistry</topic><topic>Biological and medical sciences</topic><topic>Carbon dioxide lasers</topic><topic>Composite Resins - chemistry</topic><topic>Continuous wave lasers</topic><topic>Dental composites</topic><topic>Equipment Design</topic><topic>Ethanol - pharmacology</topic><topic>Hot Temperature</topic><topic>Immersion</topic><topic>Laser</topic><topic>Laser beam effects</topic><topic>Lasers</topic><topic>Materials Testing - instrumentation</topic><topic>Materials Testing - methods</topic><topic>Medical sciences</topic><topic>Microspheres</topic><topic>Plastics fillers</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Reinforced plastics</topic><topic>Silanization</topic><topic>Silicates - chemistry</topic><topic>Technology. Biomaterials. Equipments. Material. Instrumentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Sheng-Yang</creatorcontrib><creatorcontrib>Lin, Che-Tong</creatorcontrib><creatorcontrib>Keh, En-Sheng</creatorcontrib><creatorcontrib>Pan, Li-Chern</creatorcontrib><creatorcontrib>Huang, Haw-Ming</creatorcontrib><creatorcontrib>Shih, Yung-Hsun</creatorcontrib><creatorcontrib>Cheng, Hsin-Chung</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><jtitle>Biomaterials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Sheng-Yang</au><au>Lin, Che-Tong</au><au>Keh, En-Sheng</au><au>Pan, Li-Chern</au><au>Huang, Haw-Ming</au><au>Shih, Yung-Hsun</au><au>Cheng, Hsin-Chung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Laser-induced acoustic emissions in experimental dental composites</atitle><jtitle>Biomaterials</jtitle><addtitle>Biomaterials</addtitle><date>2000-07-01</date><risdate>2000</risdate><volume>21</volume><issue>13</issue><spage>1399</spage><epage>1408</epage><pages>1399-1408</pages><issn>0142-9612</issn><eissn>1878-5905</eissn><abstract>A laser thermoacoustic technique was innovated to evaluate laser-induced acoustic emissions (AEs) in experimental dental composites aged with 75% ethanol solution. Experimental composite systems of 75/25 BisGMA/TEGDMA resin filled with 0, 12.6, 30.0, and 56.5
vol% of 8-μm silanized and unsilanized BaSiO
6 were analyzed. The sample size was 4.65
mm (diameter)×0.5
mm (thick). Aging effects of immersing in 75% ethanol for up to 14
h on AEs were then evaluated. A continuous-wave CO
2 laser was used to heat the samples. Acoustic emissions were collected as a function of filler fraction, laser power, silanization, and immersion time. Onset of burst-pattern acoustic signals characteristic of fracturing occurred at different laser powers for different tested groups. Acoustic emissions generally increased with laser power, in which lower laser powers produced low-amplitude (45–50 dB) signals; the amplitude distribution (50–85 dB) became more extensive as laser powers increased. After immersion, the lower laser powers could produce the same phenomenon. The higher the filler fraction, the fewer AEs generated. A large percentage AE reduction due to silanization was noted as a function of filler fraction. Unsilanized specimens showed more thermal damages than did silanized ones.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>10850935</pmid><doi>10.1016/S0142-9612(00)00043-0</doi><tpages>10</tpages></addata></record> |
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subjects | Acoustic emissions Acoustics Barium compounds Barium Compounds - chemistry Biological and medical sciences Carbon dioxide lasers Composite Resins - chemistry Continuous wave lasers Dental composites Equipment Design Ethanol - pharmacology Hot Temperature Immersion Laser Laser beam effects Lasers Materials Testing - instrumentation Materials Testing - methods Medical sciences Microspheres Plastics fillers Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Reinforced plastics Silanization Silicates - chemistry Technology. Biomaterials. Equipments. Material. Instrumentation |
title | Laser-induced acoustic emissions in experimental dental composites |
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